[INFO] fetching crate envconf 0.1.1...
[INFO] testing envconf-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate envconf 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate envconf 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate envconf 0.1.1
[INFO] finished tweaking crates.io crate envconf 0.1.1
[INFO] tweaked toml for crates.io crate envconf 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded envconf_derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 800e2f6cc08fcd71811bab3e292d1395fa64f24104f9f6f5598dcbdbf58dbc86
[INFO] running `Command { std: "docker" "start" "-a" "800e2f6cc08fcd71811bab3e292d1395fa64f24104f9f6f5598dcbdbf58dbc86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "800e2f6cc08fcd71811bab3e292d1395fa64f24104f9f6f5598dcbdbf58dbc86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "800e2f6cc08fcd71811bab3e292d1395fa64f24104f9f6f5598dcbdbf58dbc86", kill_on_drop: false }`
[INFO] [stdout] 800e2f6cc08fcd71811bab3e292d1395fa64f24104f9f6f5598dcbdbf58dbc86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3347ffee90b8a8b45e79c98e420a5fe3012b6fd825f56f5effa1ac0663b089e
[INFO] running `Command { std: "docker" "start" "-a" "b3347ffee90b8a8b45e79c98e420a5fe3012b6fd825f56f5effa1ac0663b089e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling envconf_derive v0.1.0
[INFO] [stderr]    Compiling envconf v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.54s
[INFO] running `Command { std: "docker" "inspect" "b3347ffee90b8a8b45e79c98e420a5fe3012b6fd825f56f5effa1ac0663b089e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3347ffee90b8a8b45e79c98e420a5fe3012b6fd825f56f5effa1ac0663b089e", kill_on_drop: false }`
[INFO] [stdout] b3347ffee90b8a8b45e79c98e420a5fe3012b6fd825f56f5effa1ac0663b089e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48c9ad0735fa93e2c616b3461b50ad2afcc94cac211a29b01c0ac9ea46296f73
[INFO] running `Command { std: "docker" "start" "-a" "48c9ad0735fa93e2c616b3461b50ad2afcc94cac211a29b01c0ac9ea46296f73", kill_on_drop: false }`
[INFO] [stderr]    Compiling envconf v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "48c9ad0735fa93e2c616b3461b50ad2afcc94cac211a29b01c0ac9ea46296f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c9ad0735fa93e2c616b3461b50ad2afcc94cac211a29b01c0ac9ea46296f73", kill_on_drop: false }`
[INFO] [stdout] 48c9ad0735fa93e2c616b3461b50ad2afcc94cac211a29b01c0ac9ea46296f73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 72f15480b63dfce948744c9da12266788fc967e78772a0a021612739c14ab561
[INFO] running `Command { std: "docker" "start" "-a" "72f15480b63dfce948744c9da12266788fc967e78772a0a021612739c14ab561", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/envconf-1e4a90dc48eab619)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_setting ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests envconf
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "72f15480b63dfce948744c9da12266788fc967e78772a0a021612739c14ab561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72f15480b63dfce948744c9da12266788fc967e78772a0a021612739c14ab561", kill_on_drop: false }`
[INFO] [stdout] 72f15480b63dfce948744c9da12266788fc967e78772a0a021612739c14ab561